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SubjectRe: [RFC] [PATCH] move bio code from dm into bio

Thanks! I'll continue to do more testing as well.

On Fri, Jan 21, 2005 at 10:02:02AM +0100, Jens Axboe wrote:
> On Thu, Jan 20 2005, Dave Olien wrote:
> >
> > Jens, last December you observed there was bio code
> > duplicated in the dm drivers.
>
> Yep
>
> > Here are a collection of patches that implements
> > support for local bio and bvec pools into bio.c and then
> > removes the duplicate bio code from the dm drivers.
> >
> > It also replaces a call to alloc_bio() in dm.c with
> > a call to use a local bio pool. This removes a
> > deadlock case in that code.
> >
> > These patches are against 2.6.11-rc1. If that's not
> > a good source version to patch against, let me now
> > what versions I should generate patches for.
>
> Just check if they apply to current BK tree, in general it's just best
> to do patches against latest -rc1-bkX (or just the bk tree, if you use
> that).
>
> But the patch looks good, the bio_set approach is the cleanest way to
> fix it I think. It will be easy to fix the bounce deadlock as well, by
> adding a bio_set_bounce to mm/highmem.c as well.
>
> Thanks for doing this! I'll review the patch in detail, the concept and
> solution is definitely good though.
>
> --
> Jens Axboe
>
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